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Throughout the 1950’s, there were increases in the numbers of dead bir

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Throughout the 1950’s, there were increases in the numbers of dead bir  [#permalink]

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New post 07 Dec 2009, 14:13
4
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A
B
C
D
E

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Project CR Butler:Day 9:Critical Reasoning (CR1)


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Throughout the 1950’s, there were increases in the numbers of dead birds found in agricultural areas after pesticide sprayings. Pesticide manufacturers claimed that the publicity given to bird deaths stimulated volunteers to look for dead birds, and that the increase in numbers reported was attributable to the increase in the number of people looking.

Which of the following statements, if true, would help to refute the claim of the pesticide manufacturers?


(A) The publicity given to bird deaths was largely regional and never reached national proportions.

(B) Pesticide sprayings were timed to coincide with various phases of the life cycles of the insects they destroyed.

(C) No provision was made to ensure that a dead bird would not be reported by more than one observer.

(D) Initial increases in bird deaths had been noticed by agricultural workers long before any publicity had been given to the matter.

(E) Dead birds of the same species as those found in agricultural areas had been found along coastal areas where no farming took place.
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New post 07 Dec 2009, 14:29
I thinkn it should be D. The pesticide manufacturers claim that bc there was so much publicity people started to look for dead birds and thus the number of dead birds reported increased. D states that that agricultural workers noticed an increase in the number of dead birds even before the publicity. That contradicts the statement that the publicity effect and not the actual pesticides caused the number of dead birds reported to go up.
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New post 07 Dec 2009, 15:16
sagarsabnis wrote:
Why cant the answer be E

OA is D


E kind of supports the manufacturer's claim that pesticide used for agriculture is not responsible for bird death but some other factor is responsible for it, that's why dead birds are found not only at agricultural area but also at other areas .
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New post 07 Dec 2009, 16:40
Answer E states that, "Dead birds of the same species as those found in agricultural areas had been found along coastal areas where no farming took place." "No farming took place" indicates that the dead birds were found in areas where no pesticide was used. If dead birds of the same species were found in both places, then it's hard to blame the pesticides as the cause of death for the birds. It strengthens the manufacturer's statements rather then weakening it.
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New post 12 Feb 2014, 19:52
why cant the answer be 'C' . I strongly thought it would be C
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Re: Throughout the 1950’s, there were increases in the numbers of dead bir  [#permalink]

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New post 13 Feb 2014, 06:36
Nivigmat wrote:
why cant the answer be 'C' . I strongly thought it would be C


Hey Nivigmat,
The conclusion here is that "it's not the pesticide's fault that more dead birds are reported"
The reasoning is that more people are now consciously looking for dead birds.
The implication here is that the bird deaths haven't increased since pesticide use.

We are to weaken this argument.
Look at C and E.

C) No provision was made to ensure that a dead bird would not be reported by more than one observer. To translate this: more people reported about the same bird more than once - exaggerating the number of dead birds: this supports the argument made
(E) Dead birds of the same species as those found in agricultural areas had been found along coastal areas where no farming took place. This suggests that birds outside of the pesticide use area have also died- This ALSO strengthens the argument that "it isn't the pesticide's fault!"


Only D weakens the augment-
(D) Initial increases in bird deaths had been noticed by agricultural workers long before any publicity had been given to the matter.
This breaks the assumption that bird deaths haven't increases and also refutes the reasoning that the deaths were over represented through publicity.

Option D is therefore the apt response.

Hope that clarifies things! :)

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Re: Throughout the 1950’s, there were increases in the numbers of dead bir  [#permalink]

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New post 14 Nov 2018, 10:35
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(A) The publicity given to bird deaths was largely regional and never reached national proportions....out of scope

(B) Pesticide sprayings were timed to coincide with various phases of the life cycles of the insects they destroyed...irrelevant

(C) No provision was made to ensure that a dead bird would not be reported by more than one observer....will support the manufaturer's claim

(D) Initial increases in bird deaths had been noticed by agricultural workers long before any publicity had been given to the matter.......perfect choice

(E) Dead birds of the same species as those found in agricultural areas had been found along coastal areas where no farming took place.....out of scope

+1 for D
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Re: Throughout the 1950’s, there were increases in the numbers of dead bir  [#permalink]

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New post 18 Nov 2018, 08:05
Throughout the 1950’s, there were increases in the numbers of dead birds found in agricultural areas after pesticide sprayings. Pesticide manufacturers claimed that the publicity given to bird deaths stimulated volunteers to look for dead birds, and that the increase in numbers reported was attributable to the increase in the number of people looking.

Which of the following statements, if true, would help to refute the claim of the pesticide manufacturers?
Boil it down- the publicity given to bird deaths stimulated volunteers to look for dead birds, and that the increase in numbers reported was attributable to the increase in the number of people looking.

(A) The publicity given to bird deaths was largely regional and never reached national proportions. - Irrelevant

(B) Pesticide sprayings were timed to coincide with various phases of the life cycles of the insects they destroyed. - Irrelevant - the timing of Pesticide sprayings to coincide with insects lifecycles has no bearing

(C) No provision was made to ensure that a dead bird would not be reported by more than one observer. - mild strengthener - If this statement is true, then maybe the number of dead birds REPORTED was more than the ACTUAL number of dead birds

(D) Initial increases in bird deaths had been noticed by agricultural workers long before any publicity had been given to the matter. - Correct - weakens - EFFECT occurred before the claimed CAUSE

(E) Dead birds of the same species as those found in agricultural areas had been found along coastal areas where no farming took place. - Irrelevant - this does provide some basis that the pesticide may not be responsible for the increase in birds deaths

Answer D
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New post 02 Jan 2019, 02:36
but we are not told that agricultural workers reported the noticed dead birds. In case they did not report the increase so it has nothing to do with the argument. I do not agree with D.
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Re: Throughout the 1950’s, there were increases in the numbers of dead bir  [#permalink]

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New post 02 Jan 2019, 04:05
faltan wrote:
but we are not told that agricultural workers reported the noticed dead birds. In case they did not report the increase so it has nothing to do with the argument. I do not agree with D.


you are correct in thinking so. But extend the reasoning a little.

Throughout the 1950’s, there were increases in the numbers of dead birds found in agricultural areas after pesticide sprayings. Pesticide manufacturers claimed that the publicity given to bird deaths stimulated volunteers to look for dead birds, and that the increase in numbers reported was attributable to the increase in the number of people looking.

CONCLUSION : increase in people looking --->> increase in reporting.

Which of the following statements, if true, would help to refute the claim of the pesticide manufacturers?


(A) The publicity given to bird deaths was largely regional and never reached national proportions.

(B) Pesticide sprayings were timed to coincide with various phases of the life cycles of the insects they destroyed.

(C) No provision was made to ensure that a dead bird would not be reported by more than one observer.

(D) Initial increases in bird deaths had been noticed by agricultural workers long before any publicity had been given to the matter.
If they had reported the deaths before publicity, then definitely there was some other factor that led them to do so. But they did not. Thus people noticed deaths and did not report at that time. So increase in people looking did not have any effect on increase in reporting now also. (whether publicity or no publicity). What publicity did was do make people aware of the deaths that they already had been noticing. So no real contribution to get people report.
correct.

(E) Dead birds of the same species as those found in agricultural areas had been found along coastal areas where no farming took place.
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Re: Throughout the 1950’s, there were increases in the numbers of dead bir  [#permalink]

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New post 02 Jan 2019, 04:16
kanakdaga wrote:
faltan wrote:
but we are not told that agricultural workers reported the noticed dead birds. In case they did not report the increase so it has nothing to do with the argument. I do not agree with D.


you are correct in thinking so. But extend the reasoning a little.

Throughout the 1950’s, there were increases in the numbers of dead birds found in agricultural areas after pesticide sprayings. Pesticide manufacturers claimed that the publicity given to bird deaths stimulated volunteers to look for dead birds, and that the increase in numbers reported was attributable to the increase in the number of people looking.

CONCLUSION : increase in people looking --->> increase in reporting.

Which of the following statements, if true, would help to refute the claim of the pesticide manufacturers?


(A) The publicity given to bird deaths was largely regional and never reached national proportions.

(B) Pesticide sprayings were timed to coincide with various phases of the life cycles of the insects they destroyed.

(C) No provision was made to ensure that a dead bird would not be reported by more than one observer.

(D) Initial increases in bird deaths had been noticed by agricultural workers long before any publicity had been given to the matter.
If they had reported the deaths before publicity, then definitely there was some other factor that led them to do so. But they did not. Thus people noticed deaths and did not report at that time. So increase in people looking did not have any effect on increase in reporting now also. (whether publicity or no publicity). What publicity did was do make people aware of the deaths that they already had been noticing. So no real contribution to get people report.
correct.

(E) Dead birds of the same species as those found in agricultural areas had been found along coastal areas where no farming took place.


thanks, and "c" sounds even opposite.
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Re: Throughout the 1950’s, there were increases in the numbers of dead bir  [#permalink]

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New post 02 Jan 2019, 04:44
faltan wrote:
kanakdaga wrote:
faltan wrote:
but we are not told that agricultural workers reported the noticed dead birds. In case they did not report the increase so it has nothing to do with the argument. I do not agree with D.


you are correct in thinking so. But extend the reasoning a little.

Throughout the 1950’s, there were increases in the numbers of dead birds found in agricultural areas after pesticide sprayings. Pesticide manufacturers claimed that the publicity given to bird deaths stimulated volunteers to look for dead birds, and that the increase in numbers reported was attributable to the increase in the number of people looking.

CONCLUSION : increase in people looking --->> increase in reporting.

Which of the following statements, if true, would help to refute the claim of the pesticide manufacturers?


(A) The publicity given to bird deaths was largely regional and never reached national proportions.

(B) Pesticide sprayings were timed to coincide with various phases of the life cycles of the insects they destroyed.

(C) No provision was made to ensure that a dead bird would not be reported by more than one observer.

(D) Initial increases in bird deaths had been noticed by agricultural workers long before any publicity had been given to the matter.
If they had reported the deaths before publicity, then definitely there was some other factor that led them to do so. But they did not. Thus people noticed deaths and did not report at that time. So increase in people looking did not have any effect on increase in reporting now also. (whether publicity or no publicity). What publicity did was do make people aware of the deaths that they already had been noticing. So no real contribution to get people report.
correct.

(E) Dead birds of the same species as those found in agricultural areas had been found along coastal areas where no farming took place.


thanks, and "c" sounds even opposite.



No provision was made. But do we have a little more certainty that people may have reported the same death? Do we have certainty that the same bird was counted while calculating the the total reporting? It is just informing that no provision was there. It is trap answer.


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Re: Throughout the 1950’s, there were increases in the numbers of dead bir   [#permalink] 02 Jan 2019, 04:44
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